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种植义齿上部结构的被动就位对种植修复的长期成功率非常关键,这就要求为上部结构的制作取得精确的印模。本文描述了一种精确的印模技术,其过程如下。 在口内放置可再定位的印模桩帽,用不可逆的藻酸盐印模材料取初印模,从口内取出印模桩帽,与种植桩代型相连后再就位于印模内,用人造石灌模。将可再定位的桩帽换成不可再定位的印模桩帽,制作树脂桩帽夹板,夹板要有一定厚度以保证足够的强度。填塞印模桩帽的边缘倒凹,制作个别托盘,标记并分段切开桩
The passive placement of the superstructure of implant dentures is critical to the long-term success of implant repair, which requires accurate impressions for the superstructure fabrication. This article describes a precise impression technology, the process is as follows. Placed in the mouth repositionable stamp pile cap, with irreversible alginate impression material to take the first impression, remove the stamp pile cap from the mouth, and the planting pile connected to the model and then located in the impression, with artificial Stone filling mold. Replace the repositionable pile cap with non-repositionable impression pile cap, make the resin pile cap splint, the splint must have a certain thickness to ensure sufficient strength. Pad the edge of the impression pile cap concave, making individual trays, marking and segmented cut pile